<template>
  <div class="login_container">
    <div class="login_box">
      <!-- 头像区域 -->
      <div class="avatar_box">
        <img src="../assets/logo.png" alt="logo">
      </div>
      <!-- 登录区域 -->
      <el-form ref="loginFormRef" :model="loginForm" :rules="loginRules" class="login_form">

        <el-form-item prop="username">
          <el-input v-model="loginForm.username" prefix-icon="el-icon-s-custom"></el-input>
        </el-form-item>

        <el-form-item prop="password">
          <el-input v-model="loginForm.password" prefix-icon="el-icon-view" type="password"></el-input>
        </el-form-item>

        <el-form-item class="btns">
          <el-button type="primary" round @click="login">登录</el-button>
          <el-button type="info" round @click="resetLoginForm">重置</el-button>
        </el-form-item>

      </el-form>
    </div>
  </div>
</template>

<script>
  export default {
    data() {
      return {
        loginForm: {
          username:'admin',
          password:'123456'
        },
        loginRules: {
          username:[
            { required: true, message: '用户名不能为空', trigger: 'blur' },
            { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
          ],
          password:[
            { required: true, message: '密码不能为空', trigger: 'blur' },
            { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
          ]
        }
      }
    },
    methods:{
      resetLoginForm(){
        this.$refs.loginFormRef.resetFields();
      },
      login(){
        this.$refs.loginFormRef.validate(async valid=>{
          // console.log(valid);
          if(valid===false)ruturn;
          const {data: res} = await this.$http.post("login",this.loginForm);
          if(res.meta.status !==200) return this.$message.error("登录失败！");
          this.$message.success("登录成功！");
          window.sessionStorage.setItem('token',res.data.token);
          this.$router.push('/home')

      });
    }
  }
}
</script>

<style lang="less" scoped>
  .login_container {
    background-color: #2b4b6b;
    height: 100%;
  }

  .login_box {
    width: 450px;
    height: 300px;
    background-color: #fff;
    border-radius: 3px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);

    .avatar_box {
      width: 130px;
      height: 130px;
      border: 1px solid #eee;
      border-radius: 50%;
      padding: 10px;
      box-shadow: 0 0 10px #ddd;
      position: absolute;
      left: 50%;
      transform: translate(-50%, -50%);
      background-color: #fff;

      img {
        width: 100%;
        height: 100%;
        border-radius: 50%;
        background-color: #eee;
      }
    }

    .btns {
      display: flex;
      justify-content: flex-end;
    }

    .login_form {
      position: absolute;
      bottom: 0;
      width: 100%;
      padding: 0 20px;
      box-sizing: border-box;
    }
  }
</style>